blihanstealer | 2362e1438f14e94bb31e934883b05efda576e1fa897794d5af4b8a9ae57120ac

Analysis

max time kernel
149s
max time network
149s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/05/2026, 00:54

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General

Target
2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe
Size 115KB
Sample260507-a88whagy6p
SHA256 2362e1438f14e94bb31e934883b05efda576e1fa897794d5af4b8a9ae57120ac
MD5 c88211075378e15913065d8a8acda6dd
SHA1 f0b5b33fb36c32a11b3094a15f11bdf1775ec580
SHA512 941f5c18896f04ea38c07de80fc2745c710cb63e062ad45dd265e51f387da8fca9c2cf53a43b1c9bcdf37eea4aa4611f119521c973b2e5e6253fd866547babb6
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHr:een
TLSH
T1BCB3F80B6EA5C9DBC841003B5BFAA23D86EBBD441DECE35697DDCC0635C2918C86E647
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer persistence stealer trojan

Malware Config

Extracted

Family

blihanstealer

Mutex

pomdfghrt

Attributes

user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)

Signatures

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/4532-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001d00000002b1db-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4532-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3904-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1064-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1064	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1064	microsofthelp.exe
3904	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4532 wrote to memory of 1064	4532	2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-07_c88211075378e15913065d8a8acda6dd_elex_qilin_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4532
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1064

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3904

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 115KB
SHA256 aefc974af035795a36707538bb109e4b2fb5482b8099d43c0b0be29c5c0209b6
MD5 a5e5dc2ac16087d922fee0da344970c5
SHA1 f4f0975258d61422688ddd0ac7a8d716523831e8
SHA512 ee9a038767c175a2abd2fec3b4c42a81d5c400cbf5fad9641c536745d947f15a21935aebe45ebbd64f50aa15d8b14a236676f2fe28f21a83370fd6f3605a1fbb
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHj:een
TLSH
T1F4C3F70B6EA5C9DBC841003B5BFAA23D86EBBD441DECE35697DDCC0635C2918C86E647
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1064-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3904-7-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4532-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4532-5-0x0000000000400000-0x000000000040F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads